81972008

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{90677}}^1$

素因数の和:90796

約数の個数: 16

約数和(自身を含む): 155059380

約数和(自身を除く): 73087372

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 90677, 181354, 362708, 725416, 10246501, 20493002, 40986004, 81972008]

約数ペア:

[(1, 81972008), (2, 40986004), (4, 20493002), (8, 10246501), (113, 725416), (226, 362708), (452, 181354), (904, 90677)]